39×148/149+148×86/149+48×74/149
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 17:02:08
![39×148/149+148×86/149+48×74/149](/uploads/image/z/354384-0-4.jpg?t=39%C3%97148%2F149%2B148%C3%9786%2F149%2B48%C3%9774%2F149)
39×148/149+148×86/149+48×74/149
39×148/149+148×86/149+48×74/149
39×148/149+148×86/149+48×74/149
39*148/149+148*86/149+48*74/149
=39×148/149+86×148/149+24×148/149
=(39+86+24)×148/149
=149×148/149
=148
希望对你能有所帮助.